1 /*
2 * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 /*
26 * @test
27 * @requires (os.simpleArch == "x64" | os.simpleArch == "sparcv9" | os.simpleArch == "aarch64")
28 * @library /testlibrary /test/lib /compiler/jvmci/jdk.vm.ci.hotspot.test/src
29 * @modules jdk.vm.ci/jdk.vm.ci.meta
30 * jdk.vm.ci/jdk.vm.ci.common
31 * jdk.vm.ci/jdk.vm.ci.runtime
32 * jdk.vm.ci/jdk.vm.ci.hotspot
33 * @run testng/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
34 * jdk.vm.ci.hotspot.test.MemoryAccessProviderTest
35 */
36
37 package jdk.vm.ci.hotspot.test;
38
39 import jdk.vm.ci.meta.Constant;
40 import org.testng.annotations.Test;
41 import org.testng.Assert;
42 import jdk.vm.ci.meta.JavaConstant;
43 import jdk.vm.ci.meta.JavaKind;
44 import jdk.vm.ci.meta.MemoryAccessProvider;
45 import jdk.vm.ci.runtime.JVMCI;
46
47 public class MemoryAccessProviderTest {
48 private static final MemoryAccessProvider PROVIDER = JVMCI.getRuntime()
49 .getHostJVMCIBackend()
50 .getConstantReflection()
51 .getMemoryAccessProvider();
52
53 @Test(dataProvider = "positivePrimitive", dataProviderClass = MemoryAccessProviderData.class)
54 public void testPositiveReadUnsafeConstant(JavaKind kind, JavaConstant base,
55 Long offset, Object expected, int bitsCount /* not used */) {
56 Assert.assertEquals(PROVIDER.readUnsafeConstant(kind, base, offset),
57 expected, "Failed to read constant");
58 }
59
60 @Test(dataProvider = "positivePrimitive", dataProviderClass = MemoryAccessProviderData.class,
61 expectedExceptions = {IllegalArgumentException.class})
62 public void testReadUnsafeConstantNullBase(JavaKind kind,
63 JavaConstant base, Long offset, Object expected, int bitsCount /* not used */) {
64 PROVIDER.readUnsafeConstant(kind, null, offset);
65 }
66
67 @Test(dataProvider = "positivePrimitive", dataProviderClass = MemoryAccessProviderData.class,
68 expectedExceptions = {IllegalArgumentException.class})
69 public void testNegativeReadUnsafeConstantNullKind(JavaKind kind, JavaConstant base,
70 Long offset, Object expected /* not used */, int bitsCount /* not used */) {
71 Assert.assertNull(PROVIDER.readUnsafeConstant(null, base, offset), "Expected null return");
72 }
73
74 @Test(dataProvider = "negative", dataProviderClass = MemoryAccessProviderData.class,
75 expectedExceptions = {IllegalArgumentException.class})
76 public void testNegativeReadUnsafeConstant(JavaKind kind, JavaConstant base) {
77 PROVIDER.readUnsafeConstant(kind, base, 0L);
78 }
79
80 @Test(dataProvider = "positivePrimitive", dataProviderClass = MemoryAccessProviderData.class)
81 public void testPositiveReadPrimitiveConstant(JavaKind kind, Constant base,
82 Long offset, Object expected, int bitsCount) {
83 Assert.assertEquals(PROVIDER.readPrimitiveConstant(kind, base, offset,
84 bitsCount), expected, "Failed to read constant");
85 }
86
87 @Test(dataProvider = "positivePrimitive", dataProviderClass = MemoryAccessProviderData.class,
88 expectedExceptions = {IllegalArgumentException.class})
89 public void testReadPrimitiveConstantNullBase(JavaKind kind,
90 Constant base, Long offset, Object expected, int bitsCount) {
91 Assert.assertNull(PROVIDER.readPrimitiveConstant(kind, null, offset, bitsCount),
92 "Unexpected value for null base");
93 }
94
95 @Test(dataProvider = "negative", dataProviderClass = MemoryAccessProviderData.class,
96 expectedExceptions = {IllegalArgumentException.class})
97 public void testNegativeReadPrimitiveConstant(JavaKind kind, Constant base) {
98 PROVIDER.readPrimitiveConstant(kind, base, 0L, kind == null ? 0 : kind.getBitCount());
99 }
100
101 @Test(dataProvider = "positiveObject", dataProviderClass = MemoryAccessProviderData.class,
102 expectedExceptions = {IllegalArgumentException.class})
103 public void testObjectReadPrimitiveConstant(JavaKind kind, Constant base,
104 Long offset /* not used */, Object expected /* not used */, int bitsCount) {
105 PROVIDER.readPrimitiveConstant(kind, base, 0L, bitsCount);
106 }
107
108 @Test(dataProvider = "positivePrimitive", dataProviderClass = MemoryAccessProviderData.class,
109 expectedExceptions = {IllegalArgumentException.class})
110 public void testReadPrimitiveConstantLessBits(JavaKind kind, Constant base,
111 Long offset, Object expected /* not used */, int bitsCount /* not used */) {
112 PROVIDER.readPrimitiveConstant(kind, base, offset, bitsCount - 1);
113 }
114
115 @Test(dataProvider = "positiveObject", dataProviderClass = MemoryAccessProviderData.class)
116 public void testPositiveReadObjectConstant(JavaKind kind /* not used */, Constant base,
117 Long offset, Object expected, int bitsCount /* not used */) {
118 Assert.assertEquals(PROVIDER.readObjectConstant(base, offset), expected,
119 "Unexpected result");
120 }
121
122 @Test(dataProvider = "positiveObject", dataProviderClass = MemoryAccessProviderData.class)
123 public void testNegativeReadObjectConstantNullBase(JavaKind kind /* not used */,
124 Constant base, Long offset, Object expected /* not used */, int bitsCount /* not used */) {
125 Assert.assertNull(PROVIDER.readObjectConstant(null, offset), "Unexpected return");
126 }
127
128 @Test(dataProvider = "positiveObject", dataProviderClass = MemoryAccessProviderData.class)
129 public void testNegativeReadObjectConstantWrongOffset(JavaKind kind /* not used */,
130 Constant base, Long offset, Object expected /* not used */, int bitsCount /* not used */) {
131 Assert.assertNull(PROVIDER.readObjectConstant(base, offset + 1), "Expected null");
132 }
133
134 @Test(dataProvider = "positivePrimitive", dataProviderClass = MemoryAccessProviderData.class)
135 public void testNegativeReadObjectConstantPrimitiveBase(JavaKind kind /* not used*/,
136 Constant base, Long offset, Object expected /* not used */, int bitsCount /* not used */) {
137 Assert.assertNull(PROVIDER.readObjectConstant(base, offset), "Expected null");
138 }
139 }